ioreg_vaddr
#define ioreg32(pa) (*(volatile uint32_t *)ioreg_vaddr(pa))
#define gpio8(reg) (*(volatile uint8_t *)(ioreg_vaddr(S3C2800_GPIO_BASE) + (reg)))
s3c2800_clock_freq2(ioreg_vaddr(S3C2800_CLKMAN_BASE), NULL, NULL, &pclk);
s3c2800_clock_freq2(ioreg_vaddr(S3C2800_CLKMAN_BASE),